There is already double deck format. This format forces both players to have 2- 50 card main decks that become their 100 card main decks, and up to 15 card extra decks to become their up to 30 cound main decks.
There is already double deck format. This format forces both players to have 2- 50 card main decks that become their 100 card main decks, and up to 15 card extra decks to become their up to 30 cound main decks.